Multi-wavelength fiber laser based on nonlinear polarization rotation in semiconductor optical amplifier and photonic crystal fiber

Shahabuddin, N. S. and Tan, S. J. and Ismail, M. A. and Ahmad, H. and Yusoff, Z. and Harun, S. W. (2012) Multi-wavelength fiber laser based on nonlinear polarization rotation in semiconductor optical amplifier and photonic crystal fiber. Laser Physics, 22 (7). pp. 1257-1259. ISSN 1054-660X

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Official URL: http://dx.doi.org/10.1134/S1054660X12070110

Abstract

A nonlinear polarisation rotation (NPR) based multi-wavelength laser source is demonstrated using a semiconductor optical amplifier (SOA) and photonic crystal fiber (PCF). The SOA acts as not only the gain medium but also the phase retarder for multi-wavelength oscillation in conjunction with an isolator. The incorporation of PCF improves the NPR effect and thus assists in the multiwavelength generation. The wavelength spacing reduces from 4.82 to 2.76 nm as the PCF length increases from 50 to 100 m. With a 100 m long PCF, the proposed laser produces at least 42 lasing wavelengths with optical signal to noise ratio of more than 10 dB.

Item Type: Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Engineering (FOE)
Depositing User: Ms Rosnani Abd Wahab
Date Deposited: 28 Dec 2012 07:39
Last Modified: 28 Dec 2012 07:39
URI: http://shdl.mmu.edu.my/id/eprint/3542

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